All Health & Wellbeing Articles

20 Articles

Common Fungal Infections in Aquarium Fish: Causes and Treatment

Common Fungal Infections in Aquarium Fish: Causes and Treatment

Petco's Animal Care, Education and Compliance (ACE) Team

Fungal infections are very common in aquarium fish; the cause and treatment of the most common fungal infections are described.

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Hole In The Head Disease in Fish: Causes & Treatment

Hole In The Head Disease in Fish: Causes & Treatment

Petco’s Animal Care, Education and Compliance (ACE) Team

Hole In The Head Disease is a common disease found in freshwater fish that primarily affects cichlids, discus & oscars. Learn how to treat and prevent this disease in fish on PetCoach.

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All About Ich in Freshwater Fish

All About Ich in Freshwater Fish

Petco’s Animal Care, Education and Compliance (ACE) Team

Freshwater Ich is a protozoan disease that is often called 'white spot disease' and is the most common disease to infect freshwater fish.

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Cotton Wool Disease in Aquarium Fish: Signs & Treatment 

Cotton Wool Disease in Aquarium Fish: Signs & Treatment 

Don Spaeth

Cotton wool disease is a common ailment that affects aquarium fish. Learn more about the signs, symptoms and treatment solutions at Petco. 

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Clamped Fins in Betta Fish

Clamped Fins in Betta Fish

Don Spaeth

Is your betta fish potentially suffering from clamped fins? Learn about the symptoms and treatment options for this disease.

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Hole In The Head Disease 

Hole In The Head Disease 

Don Spaeth

Learn about hole in the head disease treatment for all fish. Petco is here to answer all your questions about Hexamita or hole in the head disease for fish. 

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Why (and How!) to Play With Your Betta Fish

Why (and How!) to Play With Your Betta Fish

Animal Care & Education Team

You may not take your betta fish for a walk, but this aquatic pet still needs daily activity. Petco shares how to encourage daily exercise and play into your betta fish's life.

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Ammonia in Your Fish Tank

Ammonia in Your Fish Tank

Don Spaeth

Ammonia is the most toxic nitrogenous waste product in an aquarium which can cause stress and possible death to aquatic life if not addressed.

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Dropsy, Swim Bladder Disorder & Popeye in Aquarium Fish

Dropsy, Swim Bladder Disorder & Popeye in Aquarium Fish

Don Spaeth

Dropsy, Swim Bladder Disorder & Popeye are common illnesses in aquarium fish. Learn more about spotting the signs and treatment of these diseases.

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How to Dechlorinate Tap Water for Fish

How to Dechlorinate Tap Water for Fish

Animal Care & Education Team

Is there a way to dechlorinate water? Go to petco.com and learn how to dechlorinate tap water for fish and remove harmful chlorine and chloramines from your aquarium.

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Bloating in Fish

Bloating in Fish

Dr. Jennifer Coates

Search Petco for reasons why your pet fish may be bloated or have a swollen belly. We want to help keep your fish happy & healthy with our health tips & tricks.

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Why is My Fish Breathing at the Surface?

Why is My Fish Breathing at the Surface?

Animal Care & Education Team

Is your fish coming to the tank surface to breathe? Find out why your fish may be staying at the top of the tank, if it's normal, and tips on how to ensure your pet is the healthiest it can be.

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Bubbles & Foam in Your Fish Tank

Bubbles & Foam in Your Fish Tank

Petco’s Animal Care

It's not uncommon to occasionally observe oil, bubbles or foam forming in your aquarium. Before reacting, you need to determine if it's natural or dangerous.

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Nitrate Fish Poisoning

Nitrate Fish Poisoning

Don Spaeth

Search Petco to find out the harm of high nitrates in freshwater fish aquariums. We provide vital information to help keep your fish happy & healthy.

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What it Means if Your Fish is Swimming Erratically

What it Means if Your Fish is Swimming Erratically

Don Spaeth

Learn more about why you might see erratic swimming in aquarium fish. Find out how you can treat them to maintain a healthy and happy aquatic environment.

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Aquarium Fin Rot

Aquarium Fin Rot

Dawn Burch

Do you have questions about how to prevent fin rot? Visit Petco to get answers about the health of your aquarium.

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Why is My Fish Tank Cloudy?

Why is My Fish Tank Cloudy?

Petco’s Animal Care

Have cloudy water in your fish tank? In order to clear up your water, first you need to understand the potential causes to apply the correct solution.

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Aquarium Plant Nutrient Deficiency

Aquarium Plant Nutrient Deficiency

Don Spaeth

Are your aquarium plants nutrient deficient? Petco is here to help you identify different deficiencies such as light, nitrogen, co2, magnesium, iron and more.

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How to Calm Down Stressed Fish

How to Calm Down Stressed Fish

Animal Care & Education Team

Learn how to spot the signs of a stressed fish and what you can do to calm them and and restore a peaceful, stress-free atmosphere for your aquarium inhabitants.

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Ichthyophthirius multifiliis (Ich) in Freshwater Fish

Ichthyophthirius multifiliis (Ich) in Freshwater Fish

Don Spaeth

Ich or white spot disease is a common parasite in fish. Learn how to identify Ich and how to treat ich.

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